var Cookie={
	set:function(c_name,value,expiredays,cookiepath) {
		if(expiredays){
			var exdate=new Date();
			exdate.setDate(exdate.getDate() + expiredays);
		}
		var cookieval=c_name+ "=" +escape(value)+
		((expiredays==null) ? "" : "; expires="+exdate)+
		((cookiepath==null)?"":"; path="+cookiepath);
		document.cookie=cookieval;
	},
	get:function(c_name) {
		if (document.cookie.length>0) {
			c_start=document.cookie.indexOf(c_name + "=");
			if (c_start!=-1) {
				c_start=c_start + c_name.length+1;
				c_end=document.cookie.indexOf(";",c_start);
				if (c_end==-1) c_end=document.cookie.length;
				return unescape(document.cookie.substring(c_start,c_end));
			}
		}
		return "";
	},
	remove:function(c_name) {this.set(c_name,"",-1);}
}